Hopkins River Estuary

Overview

Estuary name	Hopkins River Estuary
CMA	Glenelg Hopkins CMA
Description	The Hopkins River Estuary is a wave dominated, seasonally closed, salt wedge estuary. The estuary is approximately 9.5km long, covers an area of approximately 1.6 km2 and has a total volume of 3,100 ML. It is confined by a rock walled canyon for much of its length, and is formed in a drowned river valley. In geological terms, the current form of the Hopkins River estuary is relatively young, forming around 6,000 years ago.
Estuary Values
Estuary Threats
Data	Site observations
Status	Active
Monitor group	Hopkins River EstuaryWatchers

Map

Sites

Site details	Options
H1 Site one (Hopkins River Bridge) Active Physico-Chemical 01-01-2000 - 17-03-2023 Ocean side of bridge, between the 29th and 30th post (counting from the western side of bridge) infront of the fishing ruler.	Observations 148
H2 Site two (Riverboat Cruise Pontoon) Active Physico-Chemical 11-07-2010 - 17-03-2023 Pontoon located on the ocean side of the Riverboat. This pontoon extends out into the river beyond the other pontoons.	Observations 146
H3 Site three (Mahoneys Road) Active Physico-Chemical N/A - 17-03-2023 Fishing pontoon located on the oceanside of the boat ramp. Monitoring is conducted off the end of the pontoon.	Observations 149
H4 Site four (Jubilee Park) Active Physico-Chemical 11-08-2010 - 17-03-2023 End of the floating pontoon located closest to the ocean, opposite the Hopkins River Caravan Park/ Jubilee Park.	Observations 145
HGB Hopkins River Water Level Gauge Board Active Gauge Board This sites water level monitoring gauge board is attached to the Simpson Street boat ramp.
HMC Hopkins River Mouth Condition Observation Site Active Mouth Condition 29-05-2010 - 16-10-2022 Site changed in September 2019 to Fluker Post WEPS1. Previous location became overgrown.	Observations 150
Hp1 Hopkins River Photopoint Site One Active Photopoint 06-12-2012 - 17-11-2022 Small cleared area located on the western side of the river mouth.	Photos 351

Recent Events

Event Details
14-10-2022 Water level high water level @ Site 2 - River Boat Cruise pontoon, unable to do observations, due to water inflow up stream and high tides @ estuary mouth

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Estuary Snapshots

The EstuaryWatch snapshots provide a summary of estuary condition on a particular day. For all EstuaryWatch Snapshots, photopoint photos and a longitudinal water quality profile from the estuary mouth to the inland extent is displayed. Read more

Full estuary snapshots below use dates where samples at every active monitoring site were recorded. View full and partial snapshots

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EstuaryWatch Data Portal